CN110739588A - anti-pulling socket and plug based on thermal expansion and cold contraction principle - Google Patents
anti-pulling socket and plug based on thermal expansion and cold contraction principle Download PDFInfo
- Publication number
- CN110739588A CN110739588A CN201911051466.3A CN201911051466A CN110739588A CN 110739588 A CN110739588 A CN 110739588A CN 201911051466 A CN201911051466 A CN 201911051466A CN 110739588 A CN110739588 A CN 110739588A
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- socket
- plug
- spring
- fixedly connected
- air cavity
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- 230000008602 contraction Effects 0.000 title claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
kinds of expend with heat and contract with cold principle prevent extracting socket and plug, relate to domestic appliance technical field, including the socket, the interior diapire fixed connection of socket is you evenly distributed's spring , the top fixedly connected with of spring leads electrical pillar with the interior diapire swing joint of socket, the air cavity has been seted up at the middle part of socket, the bottom fixedly connected with fan of air cavity, this expend with heat and contract with cold principle prevent extracting socket and plug, use through the cooperation of bimetallic strip and piston rod, under the initial condition, the bimetallic strip is in the linear state, when plug and socket peg graft, press the switch, make the circuit switch-on, busbar and conducting strip all heat because of the electric current, lead to bimetallic strip to spacing groove side bending and with spacing groove joint, the piston rod extrudes the bimetallic strip to spacing groove side simultaneously, make the bimetallic strip take place to rotate, prevent that the plug from being extracted, thereby reached the effect of preventing extracting, guaranteed the stable output of circuit, the security that has improved the socket.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an anti-pulling socket and plug based on the principle of thermal expansion and cold contraction of types.
Background
The socket, also called power socket and switch socket, is a socket into which or more than circuit connection wires can be inserted, through which various connection wires can be inserted, so that the socket can be conveniently connected with other circuits, and finally the connection and disconnection of the part of the circuit can be achieved through the connection and disconnection between the circuit and the copper piece.
The situation that the existing socket and plug are pulled out by mistake often occurs in the using process, so that the power output is disconnected, and the damage of an electric appliance can be caused, so that the plug and the socket for ensuring the stable output of the power are urgently needed to be designed.
Therefore, anti-extraction sockets and plugs based on the principle of expansion with heat and contraction with cold are provided to solve the problems, the anti-extraction effect is achieved by matching the bimetallic strip with the piston rod, the stable output of a circuit is guaranteed, the safety of the sockets is improved, the effect of expansion with heat and contraction with cold is achieved by matching the switch with the heating pipe and the fan, the heat of the plugs during working is fully utilized, the operation of each component is controlled by electric energy, and the control is agile.
Disclosure of Invention
anti-pulling out sockets and plugs based on the principle of expansion with heat and contraction with cold comprise sockets, wherein the inner bottom wall of each socket is fixedly connected with springs which are uniformly distributed, the top of each spring is fixedly connected with a conductive post which is movably connected with the inner bottom wall of each socket, the middle of each socket is provided with an air cavity, the bottom of each air cavity is fixedly connected with a fan, the inner top wall of each air cavity is fixedly connected with a heating pipe, two sides of each air cavity are movably connected with piston rods, the outer sides of the piston rods are fixedly connected with second springs which are fixedly connected with the inner walls of the sockets, the outer sides of the inner walls of the sockets, which are close to the air cavities, are fixedly connected with third springs, the inner walls of two sides of the sockets are fixedly connected with conductive plates, the bottoms of the conductive plates are rotatably connected with bimetallic plates, the tops of the sockets are inserted with plugs, the bottoms of the plugs are fixedly connected with conductive strips which are inserted with the tops of the sockets, the.
The invention has the following beneficial effects:
1. this expansion with heat and contraction with cold principle prevent extracting socket and plug, cooperation through bimetallic strip and piston rod is used, under the initial condition, the bimetallic strip is in rectilinear state, when plug and socket peg graft, press the switch, make the circuit switch-on, busbar and conducting strip all heat because of the electric current, lead to the bimetallic strip to side bending of spacing groove and with the spacing groove joint, the piston rod extrudes the bimetallic strip to spacing groove side simultaneously, make the bimetallic strip take place to rotate, prevent that the plug from being extracted, thereby reached the effect of preventing extracting, the steady output of circuit has been guaranteed, the security of socket has been improved.
2. The anti-extraction socket and plug based on the principle of expansion with heat and contraction with cold are used by matching a switch, a heating pipe and a fan, the switch is disconnected in an initial state, the circuit of the fan is connected, the circuit of the heating pipe is disconnected, the fan can operate when a conductive column is contacted with an electric contact at the bottom of the socket, the switch is opened when the plug is inserted into the socket, the circuit of the heating pipe is connected, the circuit of the fan is disconnected, gas in an air cavity expands due to heat and extrudes a piston rod towards two sides, so that a bimetallic strip is extruded to rotate, a bent bimetallic strip is clamped with a limiting groove, the extraction of a conductive strip is limited, when the plug needs to be extracted, the switch is disconnected, the fan operates, air in the air cavity flows, heat loss is accelerated, the piston rod contracts towards the inner side under the action of a spring II, the effect of expansion with cold is achieved, and the, and the operation of each component is controlled by utilizing the electric energy, so that the control is quick.
, the socket is made of high-strength and high-temperature resistant material, the inner bottom wall of the socket is fixedly connected with an electric contact matched with the conductive column, the spring is a compression spring, and the conductive column is electrically connected with the fan.
And step , air is filled in the air cavity, the air cavity is cuboid, the fan is electrically connected with the switch, and the heating pipe is electrically connected with the switch.
, the piston rod is made of steel and is cylindrical, the second spring is a compression spring and is two, the third spring is an extension spring and is two.
And , the number of the bimetallic strips is two, the bimetallic strips consist of copper strips and iron strips, the side close to the spring III is a copper strip, the side far away from the spring III is an iron strip, and the conducting strips are made of copper alloy materials.
And , the bus bars are made of copper alloy materials, the number of the bus bars is two, the limiting grooves are saw-toothed, when the switch is in a disconnected state, the fan circuit is in a connected state, and when the switch is in a connected state, the heating pipes are in a connected state.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a conductive strip insertion structure according to the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 1;
FIG. 4 is an enlarged partial view of the portion B in FIG. 2 according to the present invention.
In the figure, the socket comprises 1, 2, a spring , 3, a conductive post, 4, an air cavity, 5, a fan, 6, a heating pipe, 7, a piston rod, 8, a spring II, 9, a spring III, 10, a bimetallic strip, 11, a conductive piece, 12, a plug, 13, a conductive strip, 14, a limiting groove, 15 and a switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1-4, kinds of thermal expansion and cold contraction principle anti-pulling socket and plug include a socket 1, the socket 1 plays a role of fixing each component, the socket 1 is made of high-strength high-temperature resistant material, the inner bottom wall of the socket 1 is fixedly connected with an electrical contact matched with the conductive post 3, the spring 2 is a compression spring, the conductive post 3 is electrically connected with a fan 5, the inner bottom wall of the socket 1 is fixedly connected with springs 2 uniformly distributed on the conductive post, the spring 2 plays a role of elastically connecting the conductive post 3 to pop up the conductive post 3, the top of the spring 2 is fixedly connected with the conductive post 3 movably connected with the inner bottom wall of the socket 1, the conductive post 3 plays a role of controlling a circuit of the fan 5, the middle part of the socket 1 is provided with an air cavity 4, and the air cavity 4 plays a role of storing air.
The air cavity 4 is filled with air, the air cavity 4 is cuboid, the fan 5 is electrically connected with the switch 15, the heating pipe 6 is electrically connected with the switch 15, the bottom of the air cavity 4 is fixedly connected with the fan 5, the fan 5 plays a role in accelerating the flow of the air in the air cavity 4 and dissipating the heat of the clamping blocks, the inner top wall of the air cavity 4 is fixedly connected with the heating pipe 6, both sides of the air cavity 4 are movably connected with piston rods 7, the piston rods 7 play a role in transmission, so that the bimetallic strip 10 rotates, the piston rods 7 are made of steel materials, the piston rods 7 are cylindrical, the springs two 8 are compression springs and the springs two 8 are respectively, the springs three 9 are extension springs and the springs three 9 are respectively, the outer sides of the piston rods 7 are fixedly connected with the springs two 8 fixedly connected with the inner wall of the socket 1, and the springs two 8 play a role in elastic connection with the piston rods, a third spring 9 is fixedly connected to the inner wall of the socket 1 and the outer side close to the air cavity 4, and the third spring 9 plays a role in limiting the rotation of the bimetallic strip 10.
The inner walls of the two sides of the socket 1 are fixedly connected with conducting strips 11, the conducting strips 11 play a role in transmission power, the bottom of the conducting strips 11 is rotatably connected with bimetallic strips 10, the bimetallic strips 10 and the limiting grooves 14 play a role in preventing the plug 12 from being pulled out, the quantity of the bimetallic strips 10 is two, the bimetallic strips 10 consist of copper sheets and iron sheets, the side close to the spring III 9 is a copper sheet, the side far away from the spring III 9 is an iron sheet, the conducting strips 11 are made of copper alloy materials, the plug 12 is inserted into the top of the socket 1, the bottom of the plug 12 is fixedly connected with conducting strips 13 inserted into the top of the socket 1, the conducting strips 13 play a role in transmission power, the conducting strips 13 are made of copper alloy materials, the quantity of the conducting strips 13 is two, the limiting grooves 14 are saw-toothed in shape, the switch 15 is in an off state, the circuit of the fan 5 is in a connected state, the switch 15 is in a connected state, the heating pipe 6 is in a connected state, the limiting grooves 14 matched with the bimetallic strips 13 and the switch 15 plays a role in limiting, and the electric control of the fan 5 and the whole heating pipe 6 is electrically connected with the switch 15.
The operating principle is that in an initial state, the bimetallic strip 10 is in a linear state, the switch 15 is disconnected, the circuit of the fan 5 is connected, the circuit of the heating pipe 6 is disconnected, when the conductive post 3 is in contact with the electric contact at the bottom of the socket 1, the fan 5 can operate, when the plug 12 is plugged with the socket 1, the switch 15 is pressed down to switch on the circuit, the conductive strip 13 and the conductive strip 11 are heated due to current, so that the bimetallic strip 10 bends towards the side of the limit groove 14 and is clamped with the limit groove 14, meanwhile, the piston rod 7 pushes the bimetallic strip 10 towards the side of the limit groove 14 , the bimetallic strip 10 rotates, and the plug 12 is prevented from being pulled out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
- The utility model provides an kind expand with heat and contract with cold principle prevent drawing out socket and plug, including socket (1), its characterized in that the inner bottom wall of socket (1) is fixed with you evenly distributed's spring (2), the top of spring (2) is fixed with leads electrical pillar (3) with the inner bottom wall swing joint of socket (1), air cavity (4) have been seted up at the middle part of socket (1), the bottom fixedly connected with fan (5) of air cavity (4), the inner roof fixedly connected with heating pipe (6) of air cavity (4), the both sides of air cavity (4) all swing joint have piston rod (7), the outside fixedly connected with of piston rod (7) has spring two (8) with the inner wall fixed connection of socket (1), the outer side fixedly connected with spring three (9) of the inner wall of socket (1) and being close to air cavity (4), the inner wall of socket (1) both sides all fixedly connected with conducting strip (11), the bottom of socket (11) rotates and is connected with conducting strip (10), there is plug (12) at the grafting top of socket (1), the bottom fixedly connected with plug (12) and socket (13) of socket (1) and the conducting strip (13) and the switch electricity property of conducting strip (6) are connected with conducting strip (13) and the conducting strip (13) of switch looks adaptation.
- 2. The kinds of anti-pulling-out socket and plug based on thermal expansion and contraction principle according to claim 1, wherein the socket (1) is made of high-strength and high-temperature resistant material, and the inner bottom wall of the socket (1) is fixedly connected with the electrical contact matched with the conductive post (3).
- 3. The kinds of thermal expansion and contraction principle anti-pulling out socket and plug as claimed in claim 1, wherein the spring (2) is a compression spring, and the conductive post (3) is electrically connected to the fan (5).
- 4. The kinds of anti-pulling-out sockets and plugs based on the principle of expansion with heat and contraction with cold according to claim 1, wherein the air cavity (4) is filled with air and the air cavity (4) is cuboid, the fan (5) is electrically connected with the switch (15), and the heating pipe (6) is electrically connected with the switch (15).
- 5. The kinds of anti-pulling-out socket and plug based on thermal expansion and cold contraction principle according to claim 1, wherein the piston rod (7) is made of steel and the piston rod (7) is cylindrical, the second spring (8) is a compression spring and the second springs (8) are two, the third spring (9) is an extension spring and the third springs (9) are two.
- 6. The kinds of expansion with heat and contraction with cold principle of preventing pulling out socket and plug of claim 1, wherein the number of bimetallic strips (10) is two and bimetallic strips (10) are composed of copper strips and iron strips, and the side close to spring three (9) is a copper strip, the side far from spring three (9) is an iron strip, the material of conducting strip (11) is copper alloy material.
- 7. The kinds of expansion with heat and contraction with cold preventing socket and plug according to claim 1, wherein the conductive strips (13) are made of copper alloy and the number of the conductive strips (13) is two.
- 8. The kinds of anti-pulling-out sockets and plugs based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein the shape of the limiting groove (14) is zigzag, when the switch (15) is in the off state, the circuit of the fan (5) is in the on state, and when the switch (15) is in the on state, the heating pipe (6) is in the on state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051466.3A CN110739588B (en) | 2019-10-31 | 2019-10-31 | Anti-pulling socket and plug based on principle of expansion with heat and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051466.3A CN110739588B (en) | 2019-10-31 | 2019-10-31 | Anti-pulling socket and plug based on principle of expansion with heat and contraction with cold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110739588A true CN110739588A (en) | 2020-01-31 |
| CN110739588B CN110739588B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051466.3A Active CN110739588B (en) | 2019-10-31 | 2019-10-31 | Anti-pulling socket and plug based on principle of expansion with heat and contraction with cold |
Country Status (1)
| Country | Link |
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| CN (1) | CN110739588B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706798A (en) * | 2020-06-12 | 2020-09-25 | 浙江远恒电子科技有限公司 | Lamp heat dissipation equipment based on principle of expansion with heat and contraction with cold |
| CN112171862A (en) * | 2020-09-28 | 2021-01-05 | 周杰 | Use green building technology's hollow brick forming device |
| CN112768998A (en) * | 2021-01-06 | 2021-05-07 | 刘明 | External socket for electrical engineering |
| CN113369818A (en) * | 2021-06-24 | 2021-09-10 | 马桂英 | Magnetic steel and magnetic steel processing method |
| CN113437581A (en) * | 2021-05-08 | 2021-09-24 | 刘飞 | Switch with connect and prevent disconnected protection architecture |
| CN114103218A (en) * | 2021-10-16 | 2022-03-01 | 怀化市酱香和农业科技股份有限公司 | Electric air pump bean product squeezing former |
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| CN207947418U (en) * | 2018-01-22 | 2018-10-09 | 广州捷动信息技术有限公司 | A kind of intelligent socket convenient for heat dissipation |
| CN108946849A (en) * | 2018-07-20 | 2018-12-07 | 颜全聪 | A kind of detachable distillation seawater desalination tank of preventing steam scald |
| US20190148883A1 (en) * | 2016-07-28 | 2019-05-16 | Suzhou A-Rack Enclosure Systems, Co., Inc. | Anti-Loose Socket |
| CN109888568A (en) * | 2019-02-18 | 2019-06-14 | 程少云 | A kind of plug and socket with anti-loose effect |
| CN110011131A (en) * | 2019-04-16 | 2019-07-12 | 佛山安豪科技服务有限公司 | A kind of safety socket |
| CN110380286A (en) * | 2019-07-03 | 2019-10-25 | 王超 | A kind of safe anti-loosing socket |
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2019
- 2019-10-31 CN CN201911051466.3A patent/CN110739588B/en active Active
Patent Citations (6)
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| US20190148883A1 (en) * | 2016-07-28 | 2019-05-16 | Suzhou A-Rack Enclosure Systems, Co., Inc. | Anti-Loose Socket |
| CN207947418U (en) * | 2018-01-22 | 2018-10-09 | 广州捷动信息技术有限公司 | A kind of intelligent socket convenient for heat dissipation |
| CN108946849A (en) * | 2018-07-20 | 2018-12-07 | 颜全聪 | A kind of detachable distillation seawater desalination tank of preventing steam scald |
| CN109888568A (en) * | 2019-02-18 | 2019-06-14 | 程少云 | A kind of plug and socket with anti-loose effect |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706798A (en) * | 2020-06-12 | 2020-09-25 | 浙江远恒电子科技有限公司 | Lamp heat dissipation equipment based on principle of expansion with heat and contraction with cold |
| CN112171862A (en) * | 2020-09-28 | 2021-01-05 | 周杰 | Use green building technology's hollow brick forming device |
| CN112768998A (en) * | 2021-01-06 | 2021-05-07 | 刘明 | External socket for electrical engineering |
| CN113437581A (en) * | 2021-05-08 | 2021-09-24 | 刘飞 | Switch with connect and prevent disconnected protection architecture |
| CN113369818A (en) * | 2021-06-24 | 2021-09-10 | 马桂英 | Magnetic steel and magnetic steel processing method |
| CN113369818B (en) * | 2021-06-24 | 2023-09-08 | 惠州市富正科技有限公司 | Magnetic steel and magnetic steel processing method |
| CN114103218A (en) * | 2021-10-16 | 2022-03-01 | 怀化市酱香和农业科技股份有限公司 | Electric air pump bean product squeezing former |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110739588B (en) | 2021-08-24 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221128 Address after: 311400 Changlan Village, Xindeng Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Fuyang Lin Changfa Technology Co.,Ltd. Address before: 311400 room 503, 677 Enbo Avenue, Fuchun street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Zhisheng Network Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Unplug proof socket and plug with the principle of thermal expansion and cold contraction Effective date of registration: 20221215 Granted publication date: 20210824 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: Hangzhou Fuyang Lin Changfa Technology Co.,Ltd. Registration number: Y2022980027396 |
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Date of cancellation: 20231007 Granted publication date: 20210824 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: Hangzhou Fuyang Lin Changfa Technology Co.,Ltd. Registration number: Y2022980027396 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231225 Address after: No. 58, Industrial Functional Zone, Chunjian Township, Fuyang District, Hangzhou City, Zhejiang Province, 311400 Patentee after: Hangzhou Bopu Electric Appliance Co.,Ltd. Address before: 311400 Changlan Village, Xindeng Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Fuyang Lin Changfa Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An anti pull out socket and plug based on the principle of thermal expansion and contraction Granted publication date: 20210824 Pledgee: Fuyang Zhejiang rural commercial bank Limited by Share Ltd. Spring River Branch Pledgor: Hangzhou Bopu Electric Appliance Co.,Ltd. Registration number: Y2024980022000 |
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